Zurcher Kantonalbank (Zurich Cantonalbank) Prothena Corp Public LTD CO Transaction History

Zurcher Kantonalbank (Zurich Cantonalbank)

$39 Billion
Q2 2025

A detailed history of Zurcher Kantonalbank (Zurich Cantonalbank) transactions in Prothena Corp Public LTD CO stock. As of the latest transaction made, Zurcher Kantonalbank (Zurich Cantonalbank) holds 15,568 shares of PRTA stock, worth $154,434. This represents 0.0% of its overall portfolio holdings.

Number of Shares

15,568

Previous 16,040 2.94%

Holding current value

$154,434

Previous $198,000 52.53%

% of portfolio

0.0%

Previous 0.0%

17 transactions

Quarter	Operation	Price Per share	shares change	shares Held
Q2 2025 Aug 07, 2025	SELL	$4.58 - $12.14 $2,161 - $5,730	-472 Reduced 2.94%	15,568 $94,000
Q1 2025 May 07, 2025	BUY	$12.38 - $16.04 $123 - $160	10 Added 0.06%	16,040 $198,000
Q4 2024 Feb 07, 2025	BUY	$11.95 - $18.35 $69,238 - $106,319	5,794 Added 56.6%	16,030 $222,000
Q2 2024 Jul 29, 2024	BUY	$19.54 - $26.15 $23,174 - $31,013	1,186 Added 13.1%	10,236 $211,000
Q1 2024 Apr 25, 2024	SELL	$24.75 - $40.66 $12,696 - $20,858	-513 Reduced 5.36%	9,050 $224,000
Q4 2023 Jan 30, 2024	BUY	$32.31 - $52.32 $67,818 - $109,819	2,099 Added 28.12%	9,563 $347,000
Q3 2023 Oct 25, 2023	BUY	$47.3 - $70.6 $37,698 - $56,268	797 Added 11.95%	7,464 $360,000
Q2 2023 Aug 07, 2023	BUY	$48.26 - $78.59 $41,600 - $67,744	862 Added 14.85%	6,667 $455,000
Q1 2023 May 08, 2023	BUY	$46.97 - $58.27 $19,680 - $24,415	419 Added 7.78%	5,805 $281,000
Q4 2022 Feb 01, 2023	BUY	$52.05 - $65.0 $61,314 - $76,570	1,178 Added 27.99%	5,386 $324,000
Q3 2022 Nov 09, 2022	SELL	$25.16 - $60.63 $70,397 - $169,642	-2,798 Reduced 39.94%	4,208 $255,000
Q1 2022 Apr 21, 2022	SELL	$30.27 - $49.22 $36,929 - $60,048	-1,220 Reduced 14.83%	7,006 $256,000
Q4 2021 Feb 01, 2022	BUY	$42.11 - $73.26 $143,805 - $250,182	3,415 Added 70.98%	8,226 $406,000
Q3 2021 Nov 15, 2021	BUY	$48.2 - $78.89 $131,296 - $214,896	2,724 Added 130.52%	4,811 $343,000
Q1 2019 Apr 29, 2019	SELL	$10.32 - $14.49 $11,486 - $16,127	-1,113 Reduced 34.78%	2,087 $25,000
Q4 2017 Jan 31, 2018	BUY	$35.44 - $63.76 $29,237 - $52,602	825 Added 34.74%	3,200 $120,000
Q3 2017 Nov 08, 2017	BUY	$53.83 - $67.75 $127,846 - $160,906	2,375	2,375 $154,000

Others Institutions Holding PRTA

# of Institutions

219

Shares Held

34.2M

Call Options Held

879K

Put Options Held

791K

View Full List

About PROTHENA CORP PUBLIC LTD CO

Ticker PRTA
Exchange NASDAQ
Sector Healthcare
Industry Biotechnology
Shares Outstandng 46,922,800
Market Cap $465M
Description
Prothena Corporation plc, a late-stage clinical company, focuses on discovery and development of novel therapies for life-threatening diseases in the United States. The company is involved in developing Birtamimab, an investigational humanized antibody that is in Phase III clinical trial for the treatment of AL amyloidosis; Prasinezumab, a human...

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Zurcher Kantonalbank (Zurich Cantonalbank) Prothena Corp Public LTD CO Transaction History